Add optional repo and rpm GPG signing

.README.bbcode

@@ -23,19 +23,19 @@ Specifying [tt]--build[/tt], [tt]--createrepo[/tt], [tt]--service[/tt], or [tt]-
 [code]
 $ installJRMC --help
 --install, -i repo|local
-    repo: Install MC from repository, future updates will be handled by the system package manager.
-    local: Build and install MC package from official source package.
---build[=suse|fedora|centos]
+    repo: Install MC from repository, updates are handled by the system package manager.
+    local: Build and install MC locally from official source package.
+--build[=suse|fedora|centos|mandriva]
     Build RPM from source DEB but do not install.
     Optionally, specify a target distro for cross-building (ex. --build=suse, note the '=').
 --compat
-    Build/install MC without minimum dependency version requirements.
+    Build/install MC locally without minimum dependency version requirements.
 --mcversion VERSION
-    Specify the MC version, ex. "33", "35.0.51", or "35.0.51-1" (default: latest).
+    Specify the MC version, ex. "35.0.51" or "35" (default: latest release).
 --arch ARCH
-    Specify the target MC architecture, ex. "amd64", "arm64", etc (default: host architecture).
+    Specify the target MC architecture, ex. "amd64", "arm64", etc (default: host).
 --mcrepo REPO
-    Specify the MC repository, ex. "bullseye", "bookworm", "noble", etc (default: host or official).
+    Specify the MC repository, ex. "bullseye", "bookworm", "noble", etc (default: auto).
 --outputdir PATH
     Generate reusable installJRMC output in this PATH (default: ./output).
 --restorefile RESTOREFILE
@@ -43,30 +43,41 @@ $ installJRMC --help
 --betapass PASSWORD
     Enter beta team password for access to beta builds.
 --service, -s SERVICE
-    See SERVICES section below for the list of services to deploy.
+    See SERVICES below for possible services to install.
   --service-type user|system
-      Starts services at boot (system) or user login (user) (default: per-service, see SERVICES).
---container, -c CONTAINER (TODO: Under construction)
-    See CONTAINERS section below for a list of containers to deploy.
---createrepo[=suse|fedora|centos]
-    Build rpm, copy to webroot, and run createrepo.
-    Optionally, specify a target distro for non-native repo (ex. --createrepo=fedora, note the '=').
-  --createrepo-webroot PATH
-      The webroot directory to install the repo (default: /var/www/jriver/).
-  --createrepo-user USER
-      The web server user if different from the current user.
+      Starts services at boot (system) or at user login (user) (default: per service, see SERVICES).
 --no-update
-    Disable the installJRMC update check.
+    Disable automatic installJRMC self-update.
+--uninstall, -u
+    Uninstall JRiver MC, remove services, containers, and firewall rules (does not remove library files).
 --yes, -y, --auto
-    Always assumes yes for questions.
+    Assume yes response to questions.
 --version, -v
     Print installJRMC version and exit.
 --debug, -d
     Print debug output.
 --help, -h
     Print help dialog and exit.
---uninstall, -u
-    Uninstall JRiver MC, service files, firewall rules, etc.
+
+ADVANCED OPTIONS
+--container, -c CONTAINER (TODO: Under construction)
+    See CONTAINERS section below for a list of possible services to install.
+--createrepo[=suse|fedora|centos]
+    Build rpm, copy to webroot, and run createrepo. 
+    Use in conjunction with --build=TARGET for crossbuilding repos.
+    Optionally, specify a target distro for non-native repo (ex. --createrepo=fedora).
+--createrepo-webroot PATH
+    Specify the webroot directory to install the repo (default: /var/www/jriver).
+--webroot-user USER
+    Owner/user for createrepo output in the webroot (default: current user).
+--createrepo-user USER
+    Backward-compatible alias for --webroot-user.
+--sign
+    Sign the built RPM and repodata/repomd.xml (if --createrepo).
+--sign-user USER
+    User account used to run rpmsign and gpg signing (default: current user).
+--sign-key KEYID
+    GPG key ID, fingerprint, or UID used for --sign.
 [/code]
 
 [size=18pt]Services[/size]
@@ -128,10 +139,12 @@ Install a more widely-compatible version of the latest MC version.
 Install MC from the repository and start/enable jriver-mediacenter.service as a user service.
 [code]installJRMC --install local --compat --restorefile /path/to/license.mjr --mcversion 35.0.51[/code]
 Build and install an MC 35.0.51 comptability RPM locally and activate it using the [tt]/path/to/license.mjr[/tt].
-[code]installJRMC --createrepo --createrepo-webroot /srv/jriver/repo --createrepo-user www-user[/code]
+[code]installJRMC --createrepo --createrepo-webroot /srv/jriver/repo --webroot-user www-user[/code]
 Build an RPM locally for the current distro, move it to the webroot, and run createrepo as www-user.
-[code]installJRMC --service jriver-createrepo --createrepo-webroot /srv/jriver/repo --createrepo-user www-user[/code]
+[code]installJRMC --service jriver-createrepo --createrepo-webroot /srv/jriver/repo --webroot-user www-user[/code]
 Install the jriver-createrepo timer and service to build the RPM, move it to the webroot, and run createrepo as www-user hourly.
+[code]installJRMC --createrepo --webroot-user nginx --sign --sign-user bryan --sign-key 0xDEADBEEF[/code]
+Build/update the RPM repo, sign both RPM and repodata as bryan, and publish files owned by nginx.
 [code]installJRMC --install repo --service jriver-x11vnc --service jriver-mediacenter --vncpass "letmein"[/code]
 Install services to share the existing local desktop via VNC and automatically run MC on startup.
 [code]installJRMC --install repo --service jriver-xvnc --display ":2"[/code]