title: Un-cuts the top few pixels [fix]

README: Adds more "Similar Projects"

README: Adds a Related section, linking to the Git Book

More diagrams cleanup, mostly visuals improvements of arrows

Converts big brackets to paths (for more compatible rendering)

Removes PNG and EPS diagram files (only SVG left)

Cleans up the _really_ final diagram

README: Removes a note about the title rendering

README: HTML output is not experimental nad ugly anymore!

README: More symbolic HTML icon

README: Links to title-page of new mbook generated HTML

Use mdbook for HTML generation (instead of pdsite)

Cleans up 1 more diagram (7 to go)

Cleans up 2 more diagrams (12 to go)

Cleans up 2 more diagrams (10 to go)

Cleans up 5 more diagrams (17 to go)

Removes a duplicate diagram (same as object-dag.*)

Cleans up 4 more diagrams (23 to go)

Cleans up 3 more diagrams (27 to go)

Use SVG diagrams instead of EPS ones [hack]

Improves a few of the SVG diagrams (many left!)

README: Adds link to HTML output

README: Adds link to generated E-Book (epub)

README: Adds year of introduction

README: Adds OSEG badge

doc.yml: Adjusts path to title image [fix]

Simply link to the GH page of tags of the Revisions section [fix #2]

Gets rid of the dysfunctional link to the books own screen-cast :*(

Removes SPDX info from inline code snippets