[FIX] update local repo name

[GuillaumeFalourd]

- What I did

• Updated text : my-ritchie-formulas to ritchie-formulas-local (current pattern) when asking the default repo in the rit create formula command.

- How I did it

• By writing the correct repo name

- How to verify it

• executing rit create formula command

- Description for the changelog

• Updated text : my-ritchie-formulas to ritchie-formulas-local (current pattern) when asking the default repo in the rit create formula command.

[codecov-commenter]

Codecov Report

Merging #142 into master will decrease coverage by 7.94%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #142      +/-   ##
==========================================
- Coverage   51.79%   43.84%   -7.95%     
==========================================
  Files          66       59       -7     
  Lines        2954     2413     -541     
==========================================
- Hits         1530     1058     -472     
+ Misses       1172     1168       -4     
+ Partials      252      187      -65     

Impacted Files	Coverage Δ
pkg/cmd/create_formula.go	54.23% <100.00%> (ø)
pkg/cmd/formulas.go	0.00% <0.00%> (-65.66%)	⬇️
pkg/formula/formula.go	0.00% <0.00%> (-55.08%)	⬇️
pkg/formula/creator.go	77.77% <0.00%> (-5.69%)	⬇️
pkg/formula/post_run.go
pkg/formula/inputs.go
pkg/formula/docker_runner.go
pkg/formula/default_setup.go
pkg/formula/docker_pre_runner.go
pkg/formula/default_runner.go
... and 1 more

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