Budget allocation and optimal point estimations (#329)

* Creating utils & Budget optimizer function.

* Modifying plot

* Adding docstring on the function

* Modifying unit test

* modifying quantile method

* Updating

* Update output docstring

* Parameter order error

* Format code using black

* Modifying plot curves

* Applying Juan corrections

* Adding new model saturation function

* Checking methods, modify names

* Changes

* Adjusting error

* Adding docstring to functions

* changing parameters

* Debugging error

* Returning values

* Debugging lines out

* Budget allocation scenarios function

* Solving error in function budget allocation

* Modifying alphas

* Modifying plot order

* Small changes on plot details

* Small changes in plot

* Modify Legend

* Creating Budget Allocation example

* Small change on the notebook

* Switching words

* Adding missing code

* Making budget bounds optional param

* Modifying notebook

* Changing introduction

* Adding links

* Correcting grammar v1

* changing title

* Checking unit test

* Modifying narrative v2

* Correcting error on unit test

* Modify Narrative V3

* Changing Load Model Section

* Small grammar correction

* Modifying Unit Test & Docstrings

* Deleting Warning on Plot

* Small changes modifications

* Adding type hints

* Adding type hints & docstrings

* Solving Unit Test Errors

* Adding last unit test

* Changing small

* Updating functions and descriptions

* Reverting update

* new unit test to increase coverage report

* Increase ranges to find best_fit

* Adding flexibility to estimation functions

* Small corrections

* Correcting error on worflows

* Adding Experimental note

* Adding warnings.

* deleting by default values

* Correcting position values

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Co-authored-by: Carlos Trujillo <[email protected]>