OK after doing some math i figured that i can have a starting strength of 4 for a melee build and that's figuring in a +2St from BOS armor, +1St implant, -2St requirement from weapon handling and no melee weapons needing more than 9 ST. I'm probably not putting something into consideration so if you can help id appreciate it . Thanks.

Also what should i put my other SPECIAL at.

S 6 (if you are planning on 4 STR, add 2 extra points to compensate for Rad Child critical/deadly rad poisoning)
P 5
E 5
C 1
I 8
A 5 (melee doesn't need to use VATS as much)
L 10 (nearly every hit will already be critical; no need for Finesse perk; no need for implant or Intense training)

Implants
STR +1
END +1 (neutral cost; END implant does not use up implant slot because it adds one more slot)
INT +1
AGI +1 (qualify for Silent Running)
PER +1 (qualify for Better Criticals)
Sub-Dermal Armor (+4 DT)

Perk Suggestions
Whiskey Rose (Cass companion perk, provides +2 STR and +4 DT to +6 DT by constantly drinking whiskey; if you take this perk maybe you can put one or two SPECIAL points less into STR)
Super Slam (requires Melee 45; allows you to wipe out large groups of enemies without breaking a sweat)
Rad Child (requires Survival 70; allows you to regen +6HP/sec to +8HP/sec if you stay at critical or deadly rad poisoning, 60-80 times more effective than Monocyte Breeder Implant)
Comprehension (permanent +20 science and permanent +16 each other skill if you find all the skill books; each magazine provides temporary +20 points)
Toughness x 2 ranks (+6 DT)
Stonewall (+5 DT vs. melee, also makes you immune to knockdowns)
Jury Rigger (requires 90 repair, makes repairing armor and super sledge much cheaper)
Piercing Strike(requires Unarmed 70; negates 15 DT on opponents)
Purifier (+50% damage with melee & unarmed vs super mutants, deathclaws, nightstalkers, ghouls)
Silent Running (requires Sneak 60, Agi 6)
Unstoppable Force (requires Melee 90; melee damage breaks through enemy blocks)
Khan Trick (free perk, requires passing Great Khan dialogue check)
Legion Assault (free perk, requires dialogue check with Lucius, 50 unarmed)
Ranger Takedown (free perk, requires dialogue check with Ranger Andy)
Scribe Counter (free perk, requires giving Veronica formalwear)
Meat of Champions (free perk, requires cannibalism and special quest)

Perks to Avoid
Intense Training
Educated (only 15 perks in the game, don't use one up to get a few extra skill points because you can use magazines for +20 points any time you need to reach 100 or pass a high dialogue check)
Here and Now
Monocyte Breeder Implant (useless)

Recommended weapons
Machete, Lead Pipe, Tire Iron (early game)
Rebar Club or Super Sledge (later game)

But what are the negative effects of that having that much rad poisoning.

I suggest to try it at some point after you get to level 4 and at least 70 Survival and if you don't like it go back to an earlier save.

It's pretty bada$$ on very hard + hardcoe mode, very powerful perk during tough fights.

200-399 Minor Radiation Poisoning -1 END
400-599 Advanced Radiation Poisoning -2 END, -1 AGL
600-799 Critical Radiation Poisoning -3 END, -2 AGL, -1 STR
800-999 Deadly Radiation Poisoning -3 END, -2 AGL, -2 STR

Just take 9
Or 8 at least
Melee damage is based on STR. Taking 4 will leave you quite weak.

or you can try beating up a lot of ants and stocking up on Ant Nectar (+4 STR, -2 INT, -2 CHA)

Weapon handling does not rise STR. It just lowers STR requirement for weapons check.

yea but the strength requirement for weapons is all i really need strength for and the highest melee weapon i found has a requirement of 9 but i might need it higher for perks and i might want it higher too cause i don't know how soon I'll be getting Power Armor.

High Strength, Slayer, and get Oh Baby!, a Rebar Club, and a Bumper Sword stat.