docs: update changelog and readme

CHANGELOG.md

@@ -2,7 +2,16 @@
 
 Noteble changes are documentated in this file.
 
-## 1.2.0
+## dev
+
+### Added
+
+- dynamic preview (detect bats, hightlight etc)
+- Custom preview ENV (DOTBARE_PREVIEW)
+  Note: has to be this format `export DOTBARE_PREVIEW='cat {}'`, the `{}` is
+  used for fzf to subsitute for the filepath.
+
+## 1.2.0 (01/07/2020)
 
 ### Added
 
@@ -27,7 +36,7 @@ Noteble changes are documentated in this file.
   behavior is actually achieved by `dotbare fcheckout -a`, use `dotbare fcheckout -a` instead.
   (Edit: `dotbare fcheckout -a` is now `dotbare fcheckout -s` or `dotbare fcheckout --select`)
 
-## 1.1.0
+## 1.1.0 (28/06/2020)
 
 ### Added
 
@@ -47,4 +56,4 @@ Noteble changes are documentated in this file.
 - Removed global .gitignore manipulation during migration, not needed. Added .gitignore tips to README and
   let user handle it
 
-## 1.0.0
+## 1.0.0 (20/05/2020)

README.md

@@ -338,7 +338,7 @@ within your dotfile directory.
 
 ```sh
 # Default
-DOTBARE_DIR="$HOME/.cfg"
+export DOTBARE_DIR="$HOME/.cfg"
 ```
 
 ### DOTBARE_TREE
@@ -350,7 +350,7 @@ set this variable to point to the folder containing your dotfiles.
 
 ```sh
 # Default
-DOTBARE_TREE="$HOME"
+export DOTBARE_TREE="$HOME"
 ```
 
 ### DOTBARE_BACKUP
@@ -364,7 +364,7 @@ automatically backup conflicted files to this location.
 # Default
 # 2. If XDG_DATA_HOME exist, use XDG_DATA_HOME/dotbare
 # 3. otherwise, use $HOME/.local/share/dotbare
-DOTBARE_BACKUP="${XDG_DATA_HOME:-$HOME/.local/share}/dotbare"
+export DOTBARE_BACKUP="${XDG_DATA_HOME:-$HOME/.local/share}/dotbare"
 ```
 
 ### EDITOR
@@ -374,7 +374,7 @@ which editor to use when running `dotbare fedit`.
 
 ```sh
 # Default
-EDITOR="vim"
+export EDITOR="vim"
 ```
 
 ### DOTBARE_KEY
@@ -384,7 +384,7 @@ to set [here](https://github.com/junegunn/fzf/blob/97a725fbd0e54cbc07e4d72661ea2
 
 ```sh
 # Default
-DOTBARE_KEY="
+export DOTBARE_KEY="
   --bind=alt-a:toggle-all       # toggle all selection
   --bind=alt-j:jump             # label jump mode, sort of like vim-easymotion
   --bind=alt-0:top              # set cursor back to top