Major config changes

Add alacritty config, as it is my main terminal now
Change **a lot** of nvim configs
Add tmux configuration
Update zsh configs
Add .gitconfig with custom pager
Include tmux-plugin-manager as a submodule

.config/tmux/tmux.conf

@@ -0,0 +1,41 @@
+# Enable mouse
+setw -g mouse on
+
+# Enable 256 color mode and TrueColor
+set -s default-terminal "tmux-256color"
+set -as terminal-overrides ",xterm*:Tc"
+
+# Get rid of nvim escape delay
+set -s escape-time 0
+
+setw -g mode-keys vi
+
+
+# enable activity alerts
+setw -g monitor-activity on
+set -g visual-activity on
+
+# Center the window list ? idk what this does
+# set -g status-justify centre
+
+# Start with window 1 (instead of 0)
+set -g base-index 1
+
+# Start with pane 1
+setw -g pane-base-index 1
+
+# Reload config on C-r
+bind C-r source-file ~/.config/tmux/tmux.conf
+
+setw -g aggressive-resize on
+
+set -g history-limit 4096
+
+set -g status-justify left
+set -g status-bg default
+set -g status-interval 2
+
+# Source extra configs
+source-file ~/.config/tmux/keybinds.conf
+source-file ~/.config/tmux/plugins.conf
+# source-file ~/.config/tmux/vim.conf