Add coc-xml, coc-snippets and coc-git

.vimrc

@@ -1059,14 +1059,21 @@ let g:coc_global_extensions = [
             \'coc-markdownlint',
             \'coc-yaml',
             \'coc-toml',
+            \'coc-xml',
             \'coc-pyright',
             \'coc-diagnostic',
             \'coc-spell-checker',
             \'coc-ltex',
             \'coc-cspell-dicts',
             \'coc-clangd',
+            \'coc-snippets',
+            \'coc-git',
             \'coc-vimtex']
 
+" Of interest later:
+            "\'coc-explorer',
+" Conflict with coc-git and coc-explorer https://github.com/weirongxu/coc-explorer/issues/480
+
 " Coc END
 nnoremap <silent> <leader>lt :!languagetool -l en-GB -d DOUBLE_PUNCTUATION,MORFOLOGIK_RULE_EN_GB,ARROWS[1],NON_STANDARD_WORD[1] %<CR>