Add syntax highlighting files

syntax_files/asm.micro

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+## Here is an example for assembler.
+##
+syntax "ASM" "\.(S|s|asm)$"
+color red "\b[A-Z_]{2,}\b"
+color brightgreen "\.(data|subsection|text)"
+color green "\.(align|file|globl|global|hidden|section|size|type|weak)"
+color brightyellow "\.(ascii|asciz|byte|double|float|hword|int|long|short|single|struct|word)"
+icolor brightred "^[[:space:]]*[.0-9A-Z_]*:"
+color brightcyan "^[[:space:]]*#[[:space:]]*(define|undef|include|ifn?def|endif|elif|else|if|warning|error)"
+## Highlight strings (note: VERY resource intensive)
+color brightyellow "<[^= 	]*>" ""(\\.|[^"])*""
+color brightyellow "(?s)"(\\.|[^"])*\\[[:space:]]*$.*?^(\\.|[^"])*""
+## Highlight comments
+color brightblue "//.*"
+color brightblue "(?s)/\*.*?\*/"
+## Highlight trailing whitespace
+color ,green "[[:space:]]+$"