PALO ALTO, California — A new affordable housing development for people with intellectual and developmental disabilities has been initially approved by the Palo Alto City Council, with the aim of starting next spring. The 50-unit mixed-use development called Mitchell Park Place is set to be among the Bay Area’s first housing projects for people with developmental disabilities and will include office space for public social services as well as high-quality affordable housing for people earning about 80% of the area median income. The median family income in Palo Alto is over $167,000 according …