[web] Added remaining tools.

Documentation/bibliography.bib

web/config.toml

web/content/_index.pandoc

web/content/docs/quickstart/basics/introduction.pandoc

web/content/docs/tools/getting-started/overview.pandoc

web/content/docs/tools/meshing/addtoplayer/index.pandoc

...cs/tools/meshing/extract-surface/TopBottomSideSurface.png

web/content/docs/tools/meshing/extract-surface/index.pandoc

...hing/remove-mesh-elements/ExampleRemoveElements-Input.png

...ing/remove-mesh-elements/ExampleRemoveElements-Output.png

...sh-elements/TestCube-ResetPropertiesInPolygonalRegion.vtu

...hing/remove-mesh-elements/TestCube-removeMeshElements.vtu

...tent/docs/tools/meshing/remove-mesh-elements/index.pandoc

...ocs/tools/meshing/structured-mesh-generation/index.pandoc

...ed-mesh-generation/structured_grid_hex456_non-uniform.png

...ctured-mesh-generation/structured_grid_hex456_uniform.png

...uctured-mesh-generation/structured_grid_quad34_hex456.png

.../ExampleComputeSurfaceNodeAreasFromSurfaceMesh-Result.png

...ce-mesh/ExampleComputeSurfaceNodeAreasFromSurfaceMesh.png

...aration/compute-node-areas-from-surface-mesh/index.pandoc