Add glyph-images of HNG-KAR.

Add glyph-images of HNG-KAR.
(A-JU+8DF5): New abstract node; use `<-denotational' for U+8DF5.
(JU+8DF5): Use A-JU+8DF5 instead of U+8DF5 as the mother.
(A-UU+8DF5): New abstract node; use `<-denotational' for U+8DF5.
(UU+8DF5): Use A-UU+8DF5 instead of U+8DF5 as the mother.
(U+8E10): Separate UU+8E10.
(U+8E16): Separate UU+8E16.
(U+8E27): Separate UU+8E27.
(A-KU+8E30): New abstract node; use `<-denotational' for U+8E30.
(JU+8E30): Use A-KU+8E30 instead of U+8E30 as the mother; unify
KU+8E30.
(A-UU+8E30): New abstract node; use `<-denotational' for U+8E30.
(HNG-KAR1320-0): New character; use `<-denotational' for A-UU+8E30.
(UU+8E30): Use A-UU+8E30 instead of U+8E30 as the mother.
(U+8E5C): Separate UU+8E5C.
(U+8E81): Apply new conventions for glyph granularity.
(IU+281E0): Use MJ000302 instead of (?⿸ ?厂 ?JU+58A8) in
`ideographic-structure'.
(U+8EA9): Separate UU+8EA9.