chore: autogen metadata and docs

Author: jose-elias-alvarez

doc/BUILTINS.md

@@ -466,6 +466,23 @@ local sources = { null_ls.builtins.diagnostics.cppcheck }
 - Command: `cppcheck`
 - Args: `{ "--enable=warning,style,performance,portability", "--template=gcc", "$FILENAME" }`
 
+### [cpplint](https://github.com/cpplint/cpplint)
+
+Cpplint is a command-line tool to check C/C++ files for style issues following Google's C++ style guide
+
+#### Usage
+
+```lua
+local sources = { null_ls.builtins.diagnostics.cpplint }
+```
+
+#### Defaults
+
+- Filetypes: `{ "cpp", "c" }`
+- Method: `diagnostics`
+- Command: `cpplint`
+- Args: `{ "$FILENAME" }`
+
 ### [credo](https://hexdocs.pm/credo)
 
 Static analysis of `elixir` files for enforcing code consistency.

lua/null-ls/builtins/_meta/diagnostics.lua

@@ -37,6 +37,9 @@ return {
   cppcheck = {
     filetypes = { "cpp", "c" }
   },
+  cpplint = {
+    filetypes = { "cpp", "c" }
+  },
   credo = {
     filetypes = { "elixir" }
   },

lua/null-ls/builtins/_meta/filetype_map.lua

@@ -30,7 +30,7 @@ return {
     formatting = { "buildifier" }
   },
   c = {
-    diagnostics = { "cppcheck", "gccdiag" },
+    diagnostics = { "cppcheck", "cpplint", "gccdiag" },
     formatting = { "astyle", "clang_format", "uncrustify" }
   },
   cabal = {
@@ -47,7 +47,7 @@ return {
     formatting = { "cmake_format", "gersemi" }
   },
   cpp = {
-    diagnostics = { "cppcheck", "gccdiag" },
+    diagnostics = { "cppcheck", "cpplint", "gccdiag" },
     formatting = { "astyle", "clang_format", "uncrustify" }
   },
   crystal = {