Add some missing theme descriptions

(pulled from GitHub)

packages/batman

 type = theme
 repository = https://github.com/oh-my-fish/theme-batman
+description = Batman theme for Oh My Fish

packages/bobthefish

 type = theme
 repository = https://github.com/oh-my-fish/theme-bobthefish
+description = A Powerline-style, Git-aware fish theme optimized for awesome.

packages/budspencer

 type = theme
 repository = https://github.com/oh-my-fish/theme-budspencer
+description = A theme for nerds, makes fish even more powerful. It's equipped with a hell of a lot of nice functions and key bindings to speed up your workflow.

packages/chain

 type = theme
 repository = https://github.com/oh-my-fish/theme-chain
+description = A thin, classy theme composed of a chain of information

packages/clearance

 type = theme
 repository = https://github.com/oh-my-fish/theme-clearance
+description = A minimalist fish shell theme for people who use git

packages/cmorrell

 type = theme
 repository = https://github.com/oh-my-fish/theme-cmorrell.com
+description = Theme with minimal base prompt, compact git status, and useful visual indicators for common scenarios.

packages/cyan

 type = theme
 repository = https://github.com/oh-my-fish/theme-qing
+description = A theme for Oh My Fish.

packages/dangerous

 type = theme
 repository = https://github.com/oh-my-fish/theme-dangerous
+description = A feature-rich theme derived from budspencer without powerline font.

packages/edan

 type = theme
 repository = https://github.com/oh-my-fish/theme-edan
+description = A functional, uncluttered fish theme with usability perks for git users and python developers

packages/eden

 type = theme
 repository = https://github.com/oh-my-fish/theme-eden
+description = A custimizable theme for fishshell.

packages/es

 type = theme
 repository = https://github.com/oh-my-fish/theme-es
+description = Fish shell theme

packages/fishbone

 type = theme
 repository = https://github.com/oh-my-fish/theme-fishbone
+description = A clean theme for fish shell managed by Oh my fish

packages/krisleech

 type = theme
 repository = https://github.com/oh-my-fish/theme-krisleech
+description = A Theme for Fish Shell

packages/lambda

 type = theme
 repository = https://github.com/hasanozgan/theme-lambda
+description = lambda theme for oh my fish

packages/lolfish

 type = theme
 repository = https://github.com/er0/lolfish
+description = the most colorful fish shell prompt

packages/mokou

 type = theme
 repository = https://github.com/oh-my-fish/theme-mokou
+description = minimal fish theme

packages/nelsonjchen

 type = theme
 repository = https://github.com/nelsonjchen/omf-theme-nelsonjchen
+description = A port/adaptation of @re5et's zsh theme for me (first) and oh-my-fish (second)

packages/red-snapper

 type = theme
 repository = https://github.com/oh-my-fish/theme-red-snapper
+description = Red Snapper Theme

packages/scorphish

 type = theme
 repository = https://github.com/oh-my-fish/theme-scorphish
+description = Compact. Sufficient. PWD, Ruby+RVM, Python+VENV, Git status, Rust, NodeJS.

packages/shellder

 type = theme
 repository = https://github.com/simnalamburt/shellder
+description = :shell: Featured zsh/fish shell theme

packages/simple-ass-prompt

 type = theme
 repository = https://github.com/lfiolhais/theme-simple-ass-prompt
+description = A simple ass-prompt with virtual environment and git support for the fish shell.

packages/sushi

 type = theme
 repository = https://github.com/umayr/theme-sushi
+description = Sushi theme for Fishshell.

packages/tomita

 type = theme
 repository = https://github.com/daveyarwood/tomita
+description = a minimal, aesthetically pleasing fish shell theme