fix(neovim-lsp): Default LSP configured with default LSP client & color

completions

- Default configs for: markdownlint, marksman, prettier, shellcheck, shellharden, shfmt,
  trivy
- Configure `mason` to `append` PATH
- Configure completions for `nvim-highlight-colors`

common/.config/nvim/lsp/markdownlint.lua

@@ -0,0 +1 @@
+return {}

common/.config/nvim/lsp/markman.lua

@@ -0,0 +1 @@
+return {}

common/.config/nvim/lsp/prettier.lua

@@ -0,0 +1 @@
+return {}

common/.config/nvim/lsp/shellcheck.lua

@@ -0,0 +1 @@
+return {}

common/.config/nvim/lsp/shellharden.lua

@@ -0,0 +1 @@
+return {}

common/.config/nvim/lsp/shfmt.lua

@@ -0,0 +1 @@
+return {}

common/.config/nvim/lsp/trivy.lua

@@ -0,0 +1 @@
+return {}