Fixes for syntax and docs

Fixes #2163
Ref #2173

runtime/help/colors.md

@@ -52,7 +52,7 @@ color support comes in three flavors.
   environment variable `MICRO_TRUECOLOR` to 1.  In addition your terminal
   must support it (usually indicated by setting `$COLORTERM` to `truecolor`).
   True-color colorschemes in micro typically end with `-tc`, such as
-  `solarized-tc`, `atom-dark-tc`, `material-tc`, etc... If true color is not
+  `solarized-tc`, `atom-dark`, `material-tc`, etc... If true color is not
   enabled but a true color colorscheme is used, micro will do its best to
   approximate the colors to the available 256 colors.
 
@@ -91,11 +91,10 @@ variable `MICRO_TRUECOLOR` must be set to 1. Note that you have to create
 and set this variable yourself.
 
 * `solarized-tc`: this is the solarized colorscheme for true color.
-* `atom-dark-tc`: this colorscheme is based off of Atom's "dark" colorscheme.
+* `atom-dark`: this colorscheme is based off of Atom's "dark" colorscheme.
 * `cmc-tc`: A true colour variant of the cmc theme.  It requires true color to
   look its best. Use cmc-16 if your terminal doesn't support true color.
 * `gruvbox-tc`: The true color version of the gruvbox colorscheme
-* `github-tc`: The true color version of the Github colorscheme
 * `material-tc`: Colorscheme based off of Google's Material Design palette
 
 ## Creating a Colorscheme

runtime/syntax/sh.yaml

@@ -1,7 +1,7 @@
 filetype: shell
 
 detect:
-    filename: "(\\.sh$|\\.bash|\\.ash|bashrc|bash_aliases|bash_functions|profile|bash-fc\\.|Pkgfile|pkgmk.conf|rc.conf|PKGBUILD|.ebuild\\$|APKBUILD)"
+    filename: "(\\.sh$|\\.bash|\\.ash|bashrc|bash_aliases|bash_functions|profile$|bash-fc\\.|Pkgfile|pkgmk.conf|rc.conf|PKGBUILD|.ebuild\\$|APKBUILD)"
     header: "^#!.*/(env +)?(ba)?(a)?(mk)?sh( |$)"
 
 rules: