doesn't recognize .vhdl as vhdl but recognizes .vhd as vhdl

[Bahey-shalash]

Description

The Icons VS Code extension (tal7aouy.icons) correctly assigns the VHDL icon to files ending with .vhd, but it doesn’t recognize .vhdl as the same language.

Since .vhdl is a valid and common alternative extension for VHDL source files (used in many academic and industrial contexts), it would be helpful for the theme to include this extension by default.

Expected behavior

Both .vhd and .vhdl files should display the same VHDL icon.

Actual behavior

.vhd shows the VHDL icon,
.vhdl displays a generic file icon.

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