adjust example flow names (#1131)

* Create high_level_overview.md

Drafting the tutorial text.

* added Job and Flow makers section to the tutorial

* added Job and Flow makers section to the tutorial

* changed the style of the tutorial

* structure the text better

* Added todo

Noting some idea

* added the section for InputSet and Builder

* adding job maker @job decorator explanation

* Update key_concepts_overview.md

* removing unnecessary line

* remove unnecessary lines

* added section for taskdocs

* fixing typo

* fixing typo

* Noting some idea

* revised the tutorial, fixed tpos etc.

* minor changes

* minor changes

* Auto-update pre-commit hooks

* Update docs/user/key_concepts_overview.md

Co-authored-by: J. George <[email protected]>

* fix small things

* fix docstring

* added example code snippets

* fix example flow names

---------

Co-authored-by: QuantumChemist <[email protected]>
Co-authored-by: J. George <[email protected]>

Author: QuantumChemist

docs/user/codes/vasp.md

@@ -289,9 +289,9 @@ structure = Structure(
     coords=[[0, 0, 0], [0.5, 0.5, 0.5]],
 )
 
-qha_flow = GruneisenMaker(kpath_scheme="seekpath", vol=0.01, mesh=(15, 15, 15)).make(
-    structure=structure
-)
+gruneisen_flow = GruneisenMaker(
+    kpath_scheme="seekpath", vol=0.01, mesh=(15, 15, 15)
+).make(structure=structure)
 ```
 
 ### Quasi-harmonic Workflow
@@ -338,7 +338,7 @@ structure = Structure(
     coords=[[0, 0, 0], [0.5, 0.5, 0.5]],
 )
 
-qha_flow = EosMaker(
+eos_flow = EosMaker(
     linear_strain=(-0.10, 0.10),
     number_of_frames=10,
 ).make(structure=structure)