blahaj: add page (#16455)

Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

pages/common/blahaj.md

@@ -0,0 +1,28 @@
+# blahaj
+
+> A lolcat-like output colorizer that also prints flags and colorful sharks.
+> More information: <https://codeberg.org/GeopJr/BLAHAJ>.
+
+- Get a list of possible flags/colors:
+
+`blahaj --flags`
+
+- Print a shark (blahaj) with default trans colors:
+
+`blahaj {{[-s|--shark]}}`
+
+- Print a random flag with a 2x size multiplier:
+
+`blahaj {{[-f|--flag]}} {{[-r|--random]}} {{[-m|--multiplier]}} 2`
+
+- Print the result of a text-producing command with lesbian colors:
+
+`{{cowsay "Hello, world"}} | blahaj {{[-c|--colors]}} lesbian`
+
+- Print text and color by individual character:
+
+`echo "{{Hello, world}}" | blahaj {{[-i|--individual]}}`
+
+- Print contents of a text document, coloring the background instead of text, by word:
+
+`blahaj {{[-w|--words]}} {{[-b|--background]}} {{path/to/file}}`