Some major updates including heuristics

- Allow to define heuristics in heuristics.yaml
- Migrate all filetypes from vim beginning with "a"
- Remove enhanced cpp syntax (it was too slow to load)
- Use setf instead of set ft for setting filetype (faster)
- Override native hauristics with au!
- Add globbing of files for packages
- Replace predefined dirs with extra_dirs and ignored_dirs
- Allow to define proper order of packages with topological sort
- Fix powershell detection
- Lint and fix many packages.yaml issues
- etc etd

doc/vim-go.txt

@@ -1718,6 +1718,13 @@ The default command used to open a new terminal for go commands such as
 Applicable to Neovim and Vim with `terminal` feature only.
 >
   let g:go_term_mode = "vsplit"
+<
+                                                          *'g:go_term_reuse'*
+
+Reuse the terminal window when |'g:go_term_enabled'| is set. By default it's
+disabled.
+>
+  let g:go_term_reuse = 0
 <
                                                           *'g:go_term_height'*
                                                            *'g:go_term_width'*
@@ -2242,6 +2249,8 @@ The program will halt on the breakpoint, at which point you can inspect the
 program state. You can go to the next line with |:GoDebugNext| (<F10>) or step
 in with |:GoDebugStep| (<F11>).
 
+The program can also be halted with `:GoDebugHalt` (<F6>).
+
 The variable window in the bottom left (`GODEBUG_VARIABLES`) will display all
 local variables. Struct values are displayed as `{...}`, array/slices as
 `[4]`. Use <CR> on the variable name to expand the values.
@@ -2258,10 +2267,21 @@ the `dlv` process, or |:GoDebugRestart| to recompile the code.
                                                            *go-debug-commands*
 DEBUGGER COMMANDS~
 
-Only |:GoDebugStart|, `:GoDebugTest`, and |:GoDebugBreakpoint| are available
-by default. `:GoDebugContinue` becomes available after running `:GoDebugStart`
-or `:GoDebugTest`. The rest of the commands and mappings become available
-after executing `:GoDebugContinue`.
+Only |:GoDebugAttach|, |:GoDebugStart|, |:GoDebugTest|, and
+|:GoDebugBreakpoint| are available by default. |:GoDebugContinue| becomes
+available after running |:GoDebugAttach|, |:GoDebugStart| or |:GoDebugTest|.
+The rest of the commands and mappings become available after executing
+|:GoDebugContinue|.
+
+                                                             *:GoDebugAttach*
+:GoDebugAttach pid
+
+    Start the debug mode for pid; this does several things:
+
+      * Setup the debug windows according to |'g:go_debug_windows'|.
+      * Make the `:GoDebug*` commands and `(go-debug-*)` mappings available.
+
+    Use |:GoDebugStop| to stop `dlv` and exit debugging mode.
 
                                                                *:GoDebugStart*
 :GoDebugStart [pkg] [program-args]
@@ -2291,6 +2311,14 @@ after executing `:GoDebugContinue`.
     Stop the program (if running) and restart `dlv` to recompile the package.
     The current window layout and breakpoints will be left intact.
 
+                                                                *:GoDebugHalt*
+                                                             *(go-debug-halt)*
+:GoDebugHalt
+
+    Halt the program.
+
+    Mapped to <F6> by default.
+
                                                                 *:GoDebugStop*
                                                              *(go-debug-stop)*
 :GoDebugStop