Release for v3.8.6 (stable version)

Feature

• Introduce new commit convention (See README.md for details)
• Add vim-fugutive
• Add neogit
• Add nvui support
• Add neoclip to record and fuzzy search copy/paste contents
• Add nnn.nvim
• Optimize startup time to 28ms
• Add vim grep auto-completion
• Add short line for split windows
• Add plugin focus.nvim to split windows nicely

Fix

• Fix color not loading when it is fresh installation
• Update nvim-tree config
• Fix most plugins can't read global variables via lazy-loading
• Fix LSP filetype conflict
• Fix rust-tools.nvim never load while using nvim-lspconfig
• Fix telescope lazy-loading issue

Breaking change

• Replace nvim-compe with nvim-cmp (Reason: deprecated)
• Replace luasnip with vsnip
• Replace lspinstall with lsp-installer (Reason: deprecated)
• Remove gruvbox and everforest theme
• Remove lsp-signature
• Remove the vw keymap
• Set J/K only in normal and select mode
• Remove anyjump keymap

Refactor

• Update the statusline color
• Update the error notify API