ETF context new and improved (#1103)

* Add lookup commands

* main ETF commands

* Add technical analysis to ETF

* add prediction techniques to ETF

* add comparison analysis to etf

* allow to select nr of holdings on load

* add shold and summary commands to ETF

* minor improvs

* screener on ETF menu

* add etf/scr wsj commands

* readd compare command

* add sbc to etf/screener

* rename chold and shold

* fix rogue etf and reset

* minor corrections

* minor menu print improv

* legend of weights and title of plot

* refactor screener to screener and disc on ETF

* add ETF scripts

.pre-commit-config.yaml

@@ -23,7 +23,7 @@ repos:
     hooks:
       - id: codespell
         entry: codespell
-        args: [ '--ignore-words-list=ba,buil,coo,ether,hist,hsi,mape,navagation,operatio,pres,ser,yeld', '--quiet-level=2', '--skip=./tests,.git,*.css,*.csv,*.html,*.ini,*.ipynb,*.js,*.json,*.lock,*.scss,*.txt,*.yaml' ]
+        args: [ '--ignore-words-list=ba,buil,coo,ether,hist,hsi,mape,navagation,operatio,pres,ser,yeld,shold', '--quiet-level=2', '--skip=./tests,.git,*.css,*.csv,*.html,*.ini,*.ipynb,*.js,*.json,*.lock,*.scss,*.txt,*.yaml' ]
   - repo: https://github.com/pre-commit/mirrors-mypy
     rev: 'v0.910-1'
     hooks: