Added Selection sort and Insertion sort algorithm

[youknowqyh]

References to other Issues or PRs or Relevant literature

Brief description of what is fixed or changed

Other comments

[codecov[bot]]

Codecov Report

Merging #462 (73ec50e) into master (c0d2786) will increase coverage by 0.011%. The diff coverage is 100.000%.

@@              Coverage Diff              @@
##            master      #462       +/-   ##
=============================================
+ Coverage   98.549%   98.560%   +0.011%     
=============================================
  Files           29        29               
  Lines         3792      3822       +30     
=============================================
+ Hits          3737      3767       +30     
  Misses          55        55               

Impacted Files	Coverage Δ
pydatastructs/linear_data_structures/__init__.py	100.000% <ø> (ø)
pydatastructs/linear_data_structures/algorithms.py	99.781% <100.000%> (+0.015%)	:arrow_up:

[czgdp1807]

Please make sure you pull the changes from sortalgo (your branch for this PR) before pushing back anything.

[youknowqyh]

Please make sure you pull the changes from sortalgo (your branch for this PR) before pushing back anything.

Sure!

[youknowqyh]

Is there any issue about this?

[czgdp1807]

I will merge this on Sunday after pushing some polishing commits to your branch.

[youknowqyh]

I will merge this on Sunday after pushing some polishing commits to your branch.

Thanks for your guiding! I'll continue reading the source code and contribute something else in this project :)

[czgdp1807]

I'll continue reading the source code and contribute something else in this project

It would be great if you can take a look at the open issues as well. There is a lot of stuff we need help with.

[youknowqyh]

I'll continue reading the source code and contribute something else in this project

It would be great if you can take a look at the open issues as well. There is a lot of stuff we need help with.

Yeah sure!

[czgdp1807]

Thanks @youknowqyh